1 /**************************************************************************
2 Ghosts Overboard - a game 'Meego 1.2 Harmattan'
4 Copyright (C) 2011 Heli Hyvättinen
6 This file is part of Ghosts Overboard
8 Ghosts Overboard is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 **************************************************************************/
24 #include "orientationcontrolledgraphicspixmapobject.h"
26 #include <QGraphicsScene>
27 #include <QPropertyAnimation>
29 //OrientationControlledGraphicsPixmapObject::OrientationControlledGraphicsPixmapObject (QGraphicsItem *parent) :
30 // QObject(), QGraphicsPixmapItem (parent)
35 OrientationControlledGraphicsPixmapObject::OrientationControlledGraphicsPixmapObject(QPixmap pixmap, QGraphicsItem *parent) :
36 QObject(), QGraphicsPixmapItem (pixmap, parent)
39 rotationReadingInitialized_ = false;
40 rotationReadingTimer_.setInterval(15);
41 connect(&rotationReadingTimer_,SIGNAL(timeout()),this,SLOT(readRotationSensor()));
42 connect(&rotationSensor_,SIGNAL(readingChanged()),this,SLOT(rotationSensorReady()));
48 void OrientationControlledGraphicsPixmapObject::startMoving()
50 rotationSensor_.start();
51 // qDebug() << "started the sensor";
52 // qDebug() << rotationSensor_.isActive();
56 void OrientationControlledGraphicsPixmapObject::stopMoving()
58 rotationSensor_.stop();
59 rotationReadingInitialized_ = false;
60 rotationReadingTimer_.stop();
61 // qDebug () << "trying to stop the sensor";
64 void OrientationControlledGraphicsPixmapObject::readRotationSensor()
66 if (!scene()) //no movement if this item does not belong to a scene
70 //Test reading sensor information. Since qDebug has ceased to work, uses qCritical instead...
71 // qrangelist rangelist = rotationSensor_.availableDataRates();
73 // qCritical() << rangelist.length() << "ranges found";
74 // foreach (qrange range, rangelist)
76 // qCritical() << "Rotation sensor: " << range.first <<", " << "range.second";
78 // qCritical() << "Current data date is " << rotationSensor_.dataRate();
80 QRect sceneRectangle = scene()->sceneRect().toRect();
83 QRotationReading* pSensorData = rotationSensor_.reading();
85 // int deltay = pSensorData->x(); //yes, in Maemo 5 you need the "x" value from the sensor for "y" direction in the scene...
86 // int deltax = pSensorData->y(); //...and vice versa
88 int deltay = -pSensorData->y(); //But in Harmattan, you need the "y" value from the sensor for "y" direction in the scene...
89 int deltax = pSensorData->x(); //...and x for x (when in landscape)
90 //and you need to reverse the y value
92 // qDebug() << deltax << " " << deltay;
97 //this is how it works on maemo
98 // int newx = x() + deltax/15;
99 // int newy = y() + deltay/15;
101 //this is for Harmattan
102 int newx = x() + deltax/12;
103 int newy = y() + deltay/12;
106 // qDebug() << sceneRectangle.left() << sceneRectangle.right();
110 int finalX = qBound(sceneRectangle.left(),newx,sceneRectangle.right()-pixmap().width());
111 int finalY = qBound(sceneRectangle.top(),newy,sceneRectangle.bottom()-pixmap().height());
114 setPos(QPointF(finalX,finalY));
116 // QPropertyAnimation * animation = new QPropertyAnimation(this,"pos",this);
117 // animation->setDuration(60); //milliseconds
118 // animation->setStartValue(pos());
119 // animation->setEndValue( QPointF(finalX,finalY));
120 // animation->start(QAbstractAnimation::DeleteWhenStopped);
122 //handle collisions and move back to the original position if false returned
124 // if (handleCollisions() == false)
133 bool OrientationControlledGraphicsPixmapObject::handleCollisions()
139 void OrientationControlledGraphicsPixmapObject::setPos(const QPointF &pos)
141 QPointF oldPos = OrientationControlledGraphicsPixmapObject::pos();
143 QGraphicsPixmapItem::setPos(pos);
145 if (!handleCollisions())
147 QGraphicsPixmapItem::setPos(oldPos);
153 void OrientationControlledGraphicsPixmapObject::rotationSensorReady()
156 if (!rotationReadingInitialized_)
158 rotationReadingInitialized_ = true;
159 rotationReadingTimer_.start();